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Pro Topline 220cc 64cc aluminum heads Contact Seller
For Sale by Views Date Posted
ed1le 6785 March 6, 2012
Asking Price Condition Distance from you
$750.00 Good
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Description: I'm thinking of selling my Pro Topline 220cc 64cc aluminum heads, these are from early 2000's, before they started hitting hard financial times, approx. 2500 miles on them.
$750 shipping, retailed for $1400 new.
Stainless valves (2.02/1.60) with Comp Cam BeeHive springs (matched to comp cam 276HR w/ 1.6's, .540 lift total), straight plug. The accept center bolt & perimeter bolt valve covers. Engine currently has forged flat tops so it's close to 10:1 compression and with plans to upgrade my supercharger, I'm looking to lower my compression with a set of 75cc or so heads. Also, Pro Topline recommended these for 383 & larger engines, mine is a 355 so also looking to downsize to a 195cc. I did just have them cleaned & pressure tested and machine shop said all was fine. Only issue found was a small ridge around around cylinder 8 which is most likely from detonation, see last pic (PO was only running 30# injectors & never properly tuned the car). For a n/a engine, this shouldn't be an issue. If it's a concern, they can be milled & you'll get a little more boost in compression.

Head flow numbers: (as advertised from pro-topline)

Intake Port Test Data @28" of water
.100 .200 .300 .400 .500 .600 .700
70.74 146.41 203.72 249.84 260.51 268.51 276.41

Exhaust Port Test Data @28" of water
.100 .200 .300 .400 .500 .600 .700
56.90 100.99 156.94 176.85 186.34 190.13 194.87

Keywords: Pro Topline, SBC Heads
Location (City, State, Country): Hampstead, MD

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